/Engine/Source/Editor/CurveEditor/Public/CurveEditor.h
Construct grid lines along the current display frame rate or time-base
void ConstructXGridLines ( [TArray](API\Runtime\Core\Containers\TArray)< float > & MajorGridLines, [TArray](API\Runtime\Core\Containers\TArray)< float > & MinorGridLines, [TArray](API\Runtime\Core\Containers\TArray)< [FText](API\Runtime\Core\Internationalization\FText) > * MajorGridLabels ) const